APA aipamena

Paul, K. . &. (1977). The Languages of the World (Ist.). Rouledge.

Chicago Style aipamena

Paul, Kegan &Routledge. The Languages of the World. Ist. London: Rouledge, 1977.

MLA aipamena

Paul, Kegan &Routledge. The Languages of the World. Ist. Rouledge, 1977.